package com.xl.reggie.service.impl;

import com.baomidou.mybatisplus.core.conditions.Wrapper;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.xl.reggie.common.CustomException;
import com.xl.reggie.entity.Category;
import com.xl.reggie.entity.Dish;
import com.xl.reggie.entity.Setmeal;
import com.xl.reggie.mapper.CategoryMapper;
import com.xl.reggie.service.CategoryService;
import com.xl.reggie.service.DishService;
import com.xl.reggie.service.EmployeeService;
import com.xl.reggie.service.SetmealService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class CategoryServiceImpl extends ServiceImpl<CategoryMapper,Category> implements CategoryService {
    @Autowired
    private DishService dishService;
    private SetmealService setmealService;



    @Override
    public void remove(Long id) {
        LambdaQueryWrapper<Dish> dishLambdaQueryWrapper = new LambdaQueryWrapper<>();
        dishLambdaQueryWrapper.eq(Dish::getCategoryId,id);
        int count1 = dishService.count(dishLambdaQueryWrapper);
         if (count1 > 0 ) {
             throw new CustomException("当前分类下关联了菜品，不能删除");
         }

         LambdaQueryWrapper<Setmeal> setmealLambdaQueryWrapper = new LambdaQueryWrapper<>();

         setmealLambdaQueryWrapper.eq(Setmeal::getCategoryId,id);
         int count2 = setmealService.count();
         if (count2 > 0) {
             throw new CustomException("当前分类下关联了套餐，不能删除");
         }
         super.removeById(id);



    }
}
